Tohutoro APA (7th ed.)

Porter, M. E. (1998). Competitive advantage: Creating and sustaining superior performance : with a new introduction. Free Press.

Tohutoru Kātū Chicago (17th ed.)

Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance : With a New Introduction. New York: Free Press, 1998.

Tohutoro MLA (9th ed.)

Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance : With a New Introduction. Free Press, 1998.